Mekdam Holding Group is seeking an experienced, highly technical, and accomplished OT ICS Cybersecurity Engineer with 6 to 10 years of operational technology and industrial control systems cybersecurity experience to join our client engagement team on a full-time, permanent basis in Qatar (preferably within Oil & Gas, Petrochemical, or heavy industrial environments). In this specialized industrial cybersecurity role, you will spearhead designing, securing, hardening, and monitoring Operational Technology (OT) networks, Distributed Control Systems (DCS), Safety Instrumented Systems (SIS), and SCADA architectures against cyber threats. You will work closely with plant automation engineers, industrial IT specialists, and corporate security officers to guarantee industrial process availability and resilience. Ideal candidates bring a robust academic degree in automation, cybersecurity, or computer science, deep practical mastery of IEC 62443 standards, industrial networking protocols, and immediate availability for deployment in Qatar.
Detailed Job Description:As an OT ICS Cybersecurity Engineer at Mekdam Holding Group in Qatar, you will take full ownership of operational technology cybersecurity defense, industrial control system vulnerability management, and OT network segmentation. Your day-to-day responsibilities encompass securing DCS and SIS platforms, deploying industrial firewalls, monitoring SCADA telemetry for security anomalies, conducting OT risk assessments, and executing incident response playbooks tailored for petrochemical plants. You will collaborate with cross-functional industrial engineering squads to implement security patches, configure industrial intrusion detection systems (IDS), and ensure strict adherence to oil and gas cybersecurity regulations. Working in a fast-paced industrial automation environment in Qatar, you will drive plant cyber resilience and operational integrity.
Key Responsibilities: Design, implement, and maintain robust cybersecurity defenses across Operational Technology (OT) and Industrial Control Systems (ICS). Secure and harden Distributed Control Systems (DCS), Safety Instrumented Systems (SIS), and SCADA network architectures. Deploy and manage industrial firewalls, network segmentation zones, and conduits in accordance with IEC 62443 standards. Monitor OT network traffic, analyze security telemetry, and investigate industrial intrusion alerts and anomalies. Conduct comprehensive OT vulnerability assessments, risk analyses, and security audits across petrochemical and oil & gas facilities. Collaborate proactively with plant automation engineers, instrumentation specialists, and IT security teams during scheduled maintenance windows. Execute incident response containment and forensic investigations tailored for industrial control environments. Maintain comprehensive asset inventories, network topology diagrams, and OT cybersecurity documentation. Ensure strict compliance with corporate security policies, industrial automation standards, and national regulatory mandates. Provide tier-2 and tier-3 technical escalation support for complex OT security incidents and system anomalies. Required Qualifications & Skills: Bachelor’s degree in Automation & Control Systems, Industrial Control Systems, Cybersecurity, Computer Science Engineering, or a related discipline. Minimum 6 to 10 years of relevant professional working experience in OT/ICS cybersecurity, preferably within Oil & Gas, Petrochemical, or heavy industrial environments. Strong technical proficiency and hands-on operational mastery of DCS, SIS, SCADA, and Industrial Control Systems security. Solid understanding of industrial networking protocols (Modbus, Profibus, DNP3, IEC 61850) and Purdue enterprise reference architectures. Proven experience deploying industrial firewalls, security monitoring tools, and network segmentation frameworks. Strong analytical problem-solving capabilities and clear technical communication skills. Professional availability for full-time employment in Qatar (Application email: sitikantha@). Nice-to-Have Skills: Professional certifications such as GICSP, CISM, CISSP, ISA/IEC 62443 Cybersecurity Expert, or GIAC Global Industrial Cyber Security Professional. Hands-on experience with OT SIEM platforms (Claroty, Nozomi Networks, Dragos) and asset discovery tools. Prior working experience in national oil companies (NOCs), international oil companies (IOCs), or industrial automation vendors across the GCC. Advanced scripting proficiency in Python or Power Shell for industrial log parsing and security automation. Bilingual proficiency in English and Arabic. Application Information: Recruiter: Mekdam Holding Group Talent Acquisition Contact Name: Sitikantha (Recruitment Manager) Email: sitikantha@ Phone: Unspecified Application URL: Unspecified Salary/Rate: Competitive and commensurate with experience Deadline: Open until filled Notice Period: Immediate to short notice preferred Contract Duration: Permanent / Full-Time (Qatar) Recruitment Pro Tip:When applying for OT cybersecurity engineering roles in oil and gas, ensure your resume explicitly highlights your hands-on DCS/SIS hardening experience, Purdue model network segmentation, and IEC 62443 compliance depth. #J-18808-Ljbffr
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